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212424031222 = 21376837106331
BaseRepresentation
bin1100010111010101110…
…1010111101111110110
3202022022012021212022221
43011311131113233312
511440021022444342
6241330344112554
721230031321244
oct3056535275766
9668265255287
10212424031222
11820a79117a7
123520446575a
131705428a540
14a3d215b794
1557d4053a67
hex3175757bf6

212424031222 has 16 divisors (see below), whose sum is σ = 343154205072. Its totient is φ = 98039662560.

The previous prime is 212424031219. The next prime is 212424031247. The reversal of 212424031222 is 222130424212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944597 + ... + 2050927.

It is an arithmetic number, because the mean of its divisors is an integer number (21447137817).

Almost surely, 2212424031222 is an apocalyptic number.

212424031222 is a deficient number, since it is larger than the sum of its proper divisors (130730173850).

212424031222 is a wasteful number, since it uses less digits than its factorization.

212424031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183183.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212424031222 its reverse (222130424212), we get a palindrome (434554455434).

The spelling of 212424031222 in words is "two hundred twelve billion, four hundred twenty-four million, thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 13 26 76837 106331 153674 212662 998881 1382303 1997762 2764606 8170155047 16340310094 106212015611 212424031222